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Percutaneous image-guided biopsy for non-mass-forming isolated splenomegaly and suspected malignant lymphoma
Hiroyuki Tokue1, Satoshi Hirasawa2, Hideo Morita3
1Department of Diagnostic and Interventional Radiology, Gunma University Hospital, Gunma, Japan; Department of Radiology, Maebashi Red Cross Hospital, Gunma, Japan.
Background:
The aim of this study was to evaluate the accuracy, safety, and role of splenic biopsy in the management of patients with non-mass-forming isolated splenomegaly and suspected malignant lymphoma.
Methods:
Between 2001 and 2013, 137 biopsies were performed under computed tomography (CT) fluoroscopic guidance in 39 patients. All patients had splenomegaly based on the CT findings and a suspected diagnosis of malignant lymphoma based on their clinical symptoms. The spleen was the only accessible site to perform a biopsy, and no mass lesions could be identified in the spleen.
Results:
The overall sensitivity, specificity, and diagnostic accuracy of image-guided biopsy for malignant lymphoma were 88%, 100% and 92%, respectively. Major complications occurred in 3 patients. In 1 patient, transcatheter arterial embolization was performed due to hemorrhage, and two patients needed blood transfusion because of hematoma development, without the need for further treatment.
Conclusions:
Image-guided splenic core-needle biopsy is a safe and accurate technique with a high diagnostic accuracy in most patients who with non-mass-forming isolated splenomegaly and suspected underlying malignant lymphoma.
